/*************************************************************************
	> File Name: test.c
	> Author: 
	> Mail: 
	> Created Time: Tue 21 Sep 2021 11:19:24 PM CST
 ************************************************************************/

#include <stdio.h>

#include "test.h"

int main()
{
    double num;
    while(~scanf("%lf", &num)){
        printf("num[%lf] sqrt result is : [%0.2f]\n", num, my_sqrt(num));
    }
 
    return 0;
}
